This page lists questions and answers from the C-Change GrassToGas project’s PA Extension newsletter. To be added to the newsletter mailing list, contact GrassToGas@psu.edu.
1. Question: Is switchgrass a good feedstock for biogas digesters?
Answer: Not usually. Anaerobic digestion involves microscopic organisms that eat energy-rich components such as sugars. Lignocellulosic biomass, such as switchgrass, contains sugars, but is structured in a way that specifically prevents easy access to its energy-rich components. Because of the limited accessibility to the energy-rich …